Lecture

Relativistic Dynamics: The Speed of Light Limit

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In course

PHYS-106(h): General physics : thermodynamics

Le but du cours de Physique générale est de donner à l'étudiant les notions de base nécessaires à la compréhension des phénomènes physiques. L'objectif est atteint lorsque l'étudiant est capable de prévoir quantitativement les conséquences de ces phénomène ...

Description

This lecture covers the relativistic dynamics, including the momentum in relativity, the second law of Newton, and the concept of the speed of light as an unbreakable limit. It also delves into the consequences of the relativistic principles on momentum and mass conservation, analyzing collisions in different reference frames.

Instructor

Ivo Furno

Teaching & PhD PhD Students Jules Amédée Aristobule Schadt, Renat Karimov, Amélie Renggli, Yuri Asnis, Michael Goddijn, Vanni Jonas Meier, Cyrille Sepulchre, Francesco D'Angelo Past EPFL PhD Students Federico Nespoli, Oulfa Chellai, Thibaut François Hugo Richard, Fabian Manke, Riccardo Agnello, Alexandra Waskow, Lorenzo Ibba, Agus Rita, Kadi Lyes Roland Past EPFL PhD Students as codirector Davoud Iraji, Christian Gabriel Theiler, Alexandre Dominique Bovet, Fabio Avino Courses General physics : thermodyn

Official source

Ontological neighbourhood

Physics

Relativity: Special relativity

Related concepts (32)

Newton's laws of motion

Newton's laws of motion are three basic laws of classical mechanics that describe the relationship between the motion of an object and the forces acting on it. These laws can be paraphrased as follows: A body remains at rest, or in motion at a constant speed in a straight line, unless acted upon by a force. When a body is acted upon by a force, the time rate of change of its momentum equals the force. If two bodies exert forces on each other, these forces have the same magnitude but opposite directions.

Theory of relativity

The theory of relativity usually encompasses two interrelated physics theories by Albert Einstein: special relativity and general relativity, proposed and published in 1905 and 1915, respectively. Special relativity applies to all physical phenomena in the absence of gravity. General relativity explains the law of gravitation and its relation to the forces of nature. It applies to the cosmological and astrophysical realm, including astronomy.

Special relativity

In physics, the special theory of relativity, or special relativity for short, is a scientific theory of the relationship between space and time. In Albert Einstein's 1905 treatment, the theory is based on two postulates: The laws of physics are invariant (identical) in all inertial frames of reference (that is, frames of reference with no acceleration). The speed of light in vacuum is the same for all observers, regardless of the motion of light source or observer.

Principle of relativity

In physics, the principle of relativity is the requirement that the equations describing the laws of physics have the same form in all admissible frames of reference. For example, in the framework of special relativity the Maxwell equations have the same form in all inertial frames of reference. In the framework of general relativity the Maxwell equations or the Einstein field equations have the same form in arbitrary frames of reference.

Collision

In physics, a collision is any event in which two or more bodies exert forces on each other in a relatively short time. Although the most common use of the word collision refers to incidents in which two or more objects collide with great force, the scientific use of the term implies nothing about the magnitude of the force. In physics, collisions can be classified by the change in the total kinetic energy of the system before and after the collision: If most or all of the total kinetic energy is lost (dissipated as heat, sound, etc.

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